20113+3550 HJ 1489 AD
20h 11m 19.16s +35° 49' 49.0" P.A. 51.00 sep 17.1 mag 9.69,9.88 Sp B2III-IV
| Coord 2000 |
20113+3550 |
|
Discov num |
HJ 1489 |
|
Comp |
AD |
|
Coord arcsec 2000 |
20 11 19.16 +35 49 49.0 |
|
| Date first |
1828 |
|
Date last |
2018 |
|
Obs |
21 |
|
| Pa first |
56 |
|
Pa last |
50.9 |
|
P.A. Now (θ) |
50.9° |
|
| Sep first |
13.0 |
|
Sep last |
17.128 |
|
Sep. Now (ρ) |
17.128" |
|
| Mag pri |
9.69 |
|
Mag sec |
9.88 |
|
delta mag (ΔM) |
0.19 |
|
Spectral class |
B2III-IV (blue-white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-007 |
|
| Notes |
N
(See Notes) |
|
rPM=0.237 (< 0.3, Physical double)
This double is physical.
20113+3550 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 11 19 +35 49 49 |
BU 430 AB |
2016 |
19 |
23 |
1.2 |
9.69 |
10.37 |
0.68 |
|
|
| Show |
|
|
20 11 19 +35 49 49 |
BU 430 AC |
2015 |
5 |
173 |
7.2 |
9.69 |
14.20 |
4.51 |
|
|
| Show |
|
|
20 11 19 +35 49 49 |
HJ 1489 AD |
2018 |
21 |
51 |
17.1 |
9.69 |
9.88 |
0.19 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2683-03018-1 |
|
Gaia DR2 |
2058948227281717888 |
|
